Burris AR Signature P.E.P.R. Scope Mount/Ring Combo features a 35mm tube diameter and 1.5 high mount height designed for AR platform firearms, including AR-15 models. Constructed from steel with a matte black finish, this 5 long and 2.28 wide quick detach mount weighs 10.09 oz and includes scope rings. It interfaces with standard Picatinny rails to ensure secure optic mounting on flattop receiver platforms. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.